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STStartPoint (geography Data Type)

Returns the start point of a geography instance.

Składnia

.STStartPoint ( )

Return Types

SQL Server return type: geography

CLR return type: SqlGeography

Open Geospatial Consortium (OGC) type: Point

Uwagi

STStartPoint() is the equivalent of STPointN(1).

Examples

The following example creates a LineString instance and uses STStartPoint() to retrieve the start point of the instance.

DECLARE @g geography;
SET @g = geography::STGeomFromText('LINESTRING(-122.360 47.656, -122.343 47.656)', 4326);
SELECT @g.STStartPoint().ToString();

Zobacz także

Inne zasoby

OGC Methods on Geography Instances